I shall show that the maximal work, which was carried out in the Universe, when it was 'born' within the first cosmic quantum time interval, is given by the total mass of the Universe multiplied by the square of the velocity of light.

Please remove spaces between words.
Ishallshowthatthemaximalwork,whichwascarriedoutintheUniverse,whenitwas'born'withinthefirstcosmicquantumtimeinterval,isgivenbythetotalmassoftheUniversemultipliedbythesquareofthevelocityoflight.